Rock installation / fallpipe vessel
- Category
- offshore-construction
- Size envelope
- ~150-190 m LOA; 30,000-100,000 t rock capacity
- LOA typical
- ~175 m
- Cargo
- Graded rock + gravel for subsea protection
- Route archetype
- European offshore wind and subsea cable/pipeline stabilisation globally
- Crew size
- 40-60
Overview
Specialised vessel installing graded rock via a fallpipe onto subsea infrastructure (cables + pipelines + wind turbine bases) for scour protection and stabilisation. Van Oord, Jan De Nul, DEME. Growing offshore-wind demand.